GuideJan 1, 20258 min read
How to Properly Redact a PDF (So It Actually Works)
Most PDF redaction methods leave your sensitive data exposed. Learn the right way to permanently remove confidential information from PDFs.
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Guides, tutorials, and insights on PDF redaction, document security, and protecting sensitive information.
SecurityDec 28, 20246 min read
PDF Redaction: Why Black Boxes Don't Actually Remove Data
Drawing black boxes over text in PDFs leaves sensitive data fully extractable. Here's the technical explanation of why, and what to do instead.
Read moreComparisonDec 25, 202410 min read
Free PDF Redaction Tools Compared (2025): Which Ones Actually Work
We tested 8 popular free PDF redaction tools to see which ones truly remove content. Most failed. Here's what we found.
Read moreGuideDec 20, 20245 min read
How to Check If Your PDF Redaction Actually Worked
Before sharing a redacted PDF, verify the sensitive content is truly gone. Here are the tests every redacted document should pass.
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